diff --git a/cmd/ui/main.go b/cmd/ui/main.go
index 3331511..e564c5f 100644
--- a/cmd/ui/main.go
+++ b/cmd/ui/main.go
@@ -89,7 +89,7 @@ func Run(ctx context.Context, args []string) error {
 				series = append(series, v)
 			}
 			slices.SortFunc(series, func(a, b Series) int {
-				return -1 * strings.Compare(path.Base(a.Thumbnail), path.Base(b.Thumbnail))
+				return -1 * strings.Compare(path.Base(a.HREF), path.Base(b.HREF))
 			})
 
 			if err := tmpl.Execute(w, map[string]any{
diff --git a/cmd/ui/testdata/cam/4.mp4 b/cmd/ui/testdata/cam/4.mp4
deleted file mode 120000
index c4f2d8c..0000000
--- a/cmd/ui/testdata/cam/4.mp4
+++ /dev/null
@@ -1 +0,0 @@
-LAdN7KVw-Ig.mp4
\ No newline at end of file
diff --git a/cmd/ui/testdata/cam/5.jpg b/cmd/ui/testdata/cam/5.jpg
deleted file mode 120000
index 80deb5a..0000000
--- a/cmd/ui/testdata/cam/5.jpg
+++ /dev/null
@@ -1 +0,0 @@
-LAdN7KVw-Ig.jpg
\ No newline at end of file